Add einsum autofunction (#3424)
Add einsum autofunction (#3424)


mrocklin/dask,jcrist/dask,blaze/dask,jakirkham/dask,jakirkham/dask,jcrist/dask,dask/dask,mrocklin/dask,blaze/dask,ContinuumIO/dask,dask/dask,ContinuumIO/dask